Move policy code into components/policy.

chrome/browser/policy/cloud/system_policy_request_context.h

-// Copyright 2013 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "base/memory/scoped_ptr.h"
-#include "net/url_request/static_http_user_agent_settings.h"
-#include "net/url_request/url_request_context_getter.h"
-
-#ifndef CHROME_BROWSER_POLICY_CLOUD_SYSTEM_POLICY_REQUEST_CONTEXT_H_
-#define CHROME_BROWSER_POLICY_CLOUD_SYSTEM_POLICY_REQUEST_CONTEXT_H_
-
-namespace net {
-class HttpNetworkLayer;
-}
-
-namespace policy {
-
-class SystemPolicyRequestContext
-    : public net::URLRequestContextGetter {
- public:
-  SystemPolicyRequestContext(
-      scoped_refptr<net::URLRequestContextGetter> system_context_getter,
-      const std::string& user_agent);
-
-  // Overridden from net::URLRequestContextGetter:
-  virtual net::URLRequestContext* GetURLRequestContext() OVERRIDE;
-  virtual scoped_refptr<base::SingleThreadTaskRunner>
-      GetNetworkTaskRunner() const OVERRIDE;
-
- protected:
-  virtual ~SystemPolicyRequestContext();
-
- private:
-  scoped_refptr<net::URLRequestContextGetter> system_context_getter_;
-
-  // The lazy-initialized URLRequestContext associated with this getter.
-  scoped_ptr<net::URLRequestContext> context_;
-
-  // HttpNetworkLayer associated with |context_|.
-  scoped_ptr<net::HttpNetworkLayer> http_transaction_factory_;
-
-  net::StaticHttpUserAgentSettings http_user_agent_settings_;
-  DISALLOW_COPY_AND_ASSIGN(SystemPolicyRequestContext);
-};
-
-}  // namespace policy
-
-#endif  // CHROME_BROWSER_POLICY_CLOUD_SYSTEM_POLICY_REQUEST_CONTEXT_H_